In 2009, I tweeted a joke about expiration dates on bottled water:

• I’m extremely curious as to what’s going to happen on 2/28/2011, when this bottle of water expires.

I never really followed up on the basic absurdity of bottled water expiring. Today, however, my friend Chris mentioned this Mental Floss blog post in the course of an unrelated conversation. Finally, I had stumbled upon an answer to the question “Why does bottled water expire?”. As with so many things, it’s New Jersey’s fault.

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